English verb conjugation
SHOULD DIG

Irregular verb: dig - dug - dug

Affirmation

Simple form	V-ing form
I'd dig you'd dig he'd dig we'd dig you'd dig they'd dig	I'd be digging you'd be digging he'd be digging we'd be digging you'd be digging they'd be digging
Perfect	V-ing perfect
I should've dug you should've dug he should've dug we should've dug you should've dug they should've dug	I should've been digging you should've been digging he should've been digging we should've been digging you should've been digging they should've been digging

Negation

Simple form	V-ing form
I shouldn't dig you shouldn't dig he shouldn't dig we shouldn't dig you shouldn't dig they shouldn't dig	I shouldn't be digging you shouldn't be digging he shouldn't be digging we shouldn't be digging you shouldn't be digging they shouldn't be digging
Perfect	V-ing perfect
I shouldn't have dug you shouldn't have dug he shouldn't have dug we shouldn't have dug you shouldn't have dug they shouldn't have dug	I shouldn't have been digging you shouldn't have been digging he shouldn't have been digging we shouldn't have been digging you shouldn't have been digging they shouldn't have been digging

Interrogative form

Simple form	V-ing form
should I dig? should you dig? should he dig? should we dig? should you dig? should they dig?	should I be digging? should you be digging? should he be digging? should we be digging? should you be digging? should they be digging?
Perfect	V-ing perfect
should I have dug? should you have dug? should he have dug? should we have dug? should you have dug? should they have dug?	should I have been digging? should you have been digging? should he have been digging? should we have been digging? should you have been digging? should they have been digging?

Interro-negative form

Simple form	V-ing form
shouldn't I dig? shouldn't you dig? shouldn't he dig? shouldn't we dig? shouldn't you dig? shouldn't they dig?	shouldn't I be digging? shouldn't you be digging? shouldn't he be digging? shouldn't we be digging? shouldn't you be digging? shouldn't they be digging?
Perfect	V-ing perfect
shouldn't I have dug? shouldn't you have dug? shouldn't he have dug? shouldn't we have dug? shouldn't you have dug? shouldn't they have dug?	shouldn't I have been digging? shouldn't you have been digging? shouldn't he have been digging? shouldn't we have been digging? shouldn't you have been digging? shouldn't they have been digging?